We are proud to operate the competitive retail water market in England.

Southampton, England
Joined September 2015
This summer was one of the driest on record for England, leading to half of the country being declared in drought by the start of August. But what is drought, and why is it important to the business water market? Find out on page 15 of this Market Focus: bit.ly/3SXwgZm
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The Smart Meter Read Hub reached a major milestone in September, with more than half of business smart meters (52%) having reads submitted into the hub. Find out more about the hub and its next steps on page 8 of September's Market Focus: bit.ly/3SXwgZm
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This October, MOSL will be issuing its 2026 Annual Survey to trading parties and hosting its next Training Day. Find out more on page 4 of September's Market Focus 👉 bit.ly/3SXwgZm
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We've published September's Market Focus! 📢 Alongside the latest updates on our improvement programmes and from the wider industry, find out about MOSL's Annual Trading Party Survey and Training Day and so much more. Stay up to date, read it here 👉 bit.ly/3SXwgZm
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If you're a business, finding your water retailer is now easier than ever. The new tool helps customers identify their retailer by entering a postcode and/or meter serial number. Find out more on the Open Water website: bit.ly/4mCa9BM
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Despite recent rainfall, the @EnvAgency says 10 areas are still in drought. Stay updated with our Drought Restriction Map (bit.ly/3ATIiH7) and Dashboard (bit.ly/4wHqedQ), which provide a national view of drought restriction levels by Water Resource Zone.
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We are pleased to share that Jo Dow, Chief Executive of @Business_Stream, and James Cleave, Chief Financial Officer of @Everflow_Util, have been appointed as Retailer Directors to MOSL's Board. Congratulations, Jo and James! Find out more on our website: bit.ly/4cwCMNe
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We've been developing our next strategy. From Board-level engagement to colleagues and stakeholders, we're building on what we've learned and looking ahead to what the market needs for future success. More on our 2027-32 Strategy, p7 August's Market Focus: bit.ly/4A8VYL8
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The Strategic Panel has set aside £400,000 for Round 5 of the Market Improvement Fund launching this October. Find out more: bit.ly/4xNGDxp
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In August, we kick-started market engagement on the programme, which will look to replace the underlying legacy architecture of CMOS. Find out more on page 6: bit.ly/4A8VYL8 Join our webinar on 23 September, 2-3.30pm! bit.ly/4gwwdMY
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We've published our Q1 Report for 2026/27, showing 17% progress across our improvement programmes and 15 of 18 KPIs met or exceeded. Read the full report on our website: bit.ly/4uAMGDO
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Did you know around 40,000 high-consuming non-household water supply points are within 2km of a wastewater treatment works? What does this mean? How could knowing this inform policy decisions on water use? Find out on page 14 of July's Market Focus: bit.ly/4wkrOlA
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We're hiring! 📢 We're looking for two talented individuals to join MOSL and help shape the future of the business water market. 💧 Project Manager: bit.ly/4pT8Xf0 💧 Communications Manager: bit.ly/4gcatWk Contact us at [email protected] 📧
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July's edition of Market Focus covers MOSL's Annual General Meeting, the weCB Fund, the RWG, and much more. Don't miss anything, stay up to date here 👉 bit.ly/4wkrOlA #MarketNews #MarketOperator #BusinessRetailMarket
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The RWG invites trading party feedback on the updated Bilateral Forms good practice guidance. The consultation and Request for Information run until 5pm on 28 July. Have your say: 👉 The updated guide: bit.ly/4fcRc6R 👉 Consultation: bit.ly/4wVaK5M
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Did you miss it? In June, we published our Annual Report and Financial Statements for 2025/26. Transparency is important to us, which is why we provide an enhanced report. Find out more on page 5 of June's Market Focus 👉 bit.ly/4eGaNLh
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Today, Finance Director, Steve Formoy, presented at the @FutureWaterAsso Leakage and Metering Conference. Steve presented on the business retail market and smart metering for business customers. Find out more on the Future Water website: bit.ly/4fdhp46
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We've published our 2026–28 Sustainability Plan, setting out our new sustainability commitments to Our People, Our Community, Our Business, and Our Industry. Read it here: bit.ly/445Mod3
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This week, MOSL CEO, Sarah McMath, attended the 14th World Plumbing Conference. Hosted at InstallerSHOW at the NEC in Birmingham, Sarah joined the panel session ‘Water companies under scrutiny: rebuilding trust in the UK industry’. More on the WPC website: bit.ly/4wbpv40
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June's edition of Market Focus brings you the latest in industry news, including: 💰 MOSL's Annual Report and Financial Statements 🪑 Board and Committee vacancies ⌛ Ofwat's PR24 consultation 👍 MPF Satisfaction survey results ➕ And more! Find it here: bit.ly/4eGaNLh
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